Delphi TC770 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Rearward

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC770 suspension control arm and ball joint assembly is designed for front right lower rearward applications on select Audi and Volkswagen models. Engineered with durable aluminum construction and natural rubber bushings, this component provides reliable suspension performance for vehicles such as the Audi A4, A6, A8, and Volkswagen Passat.

• Aluminum control arm with casting and forged construction for strength and lightweight design
• Includes natural rubber bushings for effective vibration dampening
• Threaded ball joint stud with a 12mm diameter and 71mm length
• Standard replacement grade suitable for light suspension use
• Silver finish with one mounting hole (14.5mm diameter) and included mounting hardware

Technical Details and Features

The Delphi TC770 control arm assembly features a non-greasable, non-pre-greased design with no grease fitting included, simplifying maintenance requirements. The control arm measures up to 450mm in length and 125mm in width, providing precise fitment for front right lower rearward suspension positions. The natural rubber bushings help absorb road shocks while maintaining suspension alignment. The ball joint stud is threaded, ensuring secure attachment and compatibility with factory suspension components.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with a range of Audi and Volkswagen models, including:

• Audi A4 and A4 Quattro
• Audi A6 and A6 Quattro
• Audi A8 and A8 Quattro
• Volkswagen Passat
• Audi RS6, S4, S6, and S8

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling or noise
• Loose or failing ball joints leading to steering instability
• Corroded or bent control arms affecting suspension geometry
• Uneven tire wear due to suspension misalignment
• Reduced ride comfort from degraded suspension components

Installation Notes and Tips

When installing the Delphi TC770 control arm assembly, ensure the vehicle is securely lifted and supported. Verify the correct front right lower rearward position before removal of the old part. Since the assembly is not greaseable and does not include grease fittings, no additional lubrication is required during installation. Torque all mounting hardware to manufacturer specifications to maintain suspension integrity.

Quality Assurance and Warranty

Delphi suspension components meet standard replacement grade requirements, providing dependable performance for light suspension applications. The TC770 part number is manufactured with quality materials including aluminum and natural rubber bushings to ensure durability. Warranty coverage details should be confirmed with the original parts provider or vehicle manufacturer.